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/*
* Off-the-Record Messaging library
* Copyright (C) 2004-2012 Ian Goldberg, Rob Smits, Chris Alexander,
* Willy Lew, Lisa Du, Nikita Borisov
* <otr@cypherpunks.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of version 2.1 of the GNU Lesser General
* Public License as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __INSTAG_H__
#define __INSTAG_H__
#include <stdio.h>
#include <errno.h>
#define OTRL_INSTAG_MASTER 0
#define OTRL_INSTAG_BEST 1 /* Most secure, based on: conv status,
* then fingerprint status, then most recent. */
#define OTRL_INSTAG_RECENT 2
#define OTRL_INSTAG_RECENT_RECEIVED 3
#define OTRL_INSTAG_RECENT_SENT 4
#define OTRL_MIN_VALID_INSTAG 0x100 /* Instag values below this are reserved
* for meta instags, defined above, */
typedef unsigned int otrl_instag_t;
/* The list of instance tags used for our accounts */
typedef struct s_OtrlInsTag {
struct s_OtrlInsTag *next;
struct s_OtrlInsTag **tous;
char *accountname;
char *protocol;
otrl_instag_t instag;
} OtrlInsTag;
#include "userstate.h"
/* Forget the given instag. */
void otrl_instag_forget(OtrlInsTag* instag);
/* Forget all instags in a given OtrlUserState. */
void otrl_instag_forget_all(OtrlUserState us);
/* Fetch the instance tag from the given OtrlUserState associated with
* the given account */
OtrlInsTag * otrl_instag_find(OtrlUserState us, const char *accountname,
const char *protocol);
/* Read our instance tag from a file on disk into the given
* OtrlUserState. */
gcry_error_t otrl_instag_read(OtrlUserState us, const char *filename);
/* Read our instance tag from a file on disk into the given
* OtrlUserState. The FILE* must be open for reading. */
gcry_error_t otrl_instag_read_FILEp(OtrlUserState us, FILE *instf);
/* Return a new valid instance tag */
otrl_instag_t otrl_instag_get_new();
/* Get a new instance tag for the given account and write to file*/
gcry_error_t otrl_instag_generate(OtrlUserState us, const char *filename,
const char *accountname, const char *protocol);
/* Get a new instance tag for the given account and write to file
* The FILE* must be open for writing. */
gcry_error_t otrl_instag_generate_FILEp(OtrlUserState us, FILE *instf,
const char *accountname, const char *protocol);
/* Write our instance tags to a file on disk. */
gcry_error_t otrl_instag_write(OtrlUserState us, const char *filename);
/* Write our instance tags to a file on disk.
* The FILE* must be open for writing. */
gcry_error_t otrl_instag_write_FILEp(OtrlUserState us, FILE *instf);
#endif
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